PCOS Explained: Symptoms, Diagnosis, and How It's Managed

Polycystic ovary syndrome, or PCOS, is one of the most common hormonal conditions affecting people with ovaries during their reproductive years. Despite how widespread it is, it often goes undiagnosed for years because its symptoms overlap with everyday concerns like weight changes, acne, and irregular periods. Understanding what PCOS is, how it's diagnosed, and how it can be managed puts you in a stronger position to get the right care.

What is PCOS?

PCOS is a hormonal and metabolic condition in which the ovaries may not release eggs regularly and the body often produces higher levels of androgens, sometimes called male hormones, which everyone has in smaller amounts. The name refers to the fluid-filled follicles that can appear on the ovaries during an ultrasound, though not everyone with PCOS has them and not everyone with ovarian cysts has PCOS. Many people with PCOS also have insulin resistance, which links the condition to longer-term metabolic health.

Common symptoms

• Irregular, infrequent, or absent periods.
• Difficulty getting pregnant due to irregular ovulation.
• Excess hair growth on the face or body, known as hirsutism.
• Persistent acne or oily skin beyond the teenage years.
• Thinning hair or hair loss on the scalp.
• Weight gain or difficulty losing weight, particularly around the abdomen.
• Skin changes such as dark, velvety patches in body folds.

How PCOS is diagnosed

There is no single test for PCOS. Doctors typically use criteria that look for at least two of three features: irregular or absent ovulation, signs of high androgens (either from symptoms or blood tests), and the appearance of polycystic ovaries on ultrasound. Just as importantly, they rule out other conditions that can mimic PCOS, such as thyroid disorders and elevated prolactin. Because the diagnosis is one of pattern and exclusion, a thorough history and the right tests matter more than any one result.

How PCOS is managed

Management is tailored to your goals, whether that's regulating periods, improving skin and hair symptoms, supporting fertility, or protecting long-term metabolic health. Lifestyle measures often form the foundation: balanced eating, regular physical activity, and, where relevant, modest weight loss can improve both symptoms and insulin sensitivity. Beyond that, a doctor may discuss medication options suited to your priorities. Any medication should be chosen and dosed by a licensed clinician, never self-prescribed, because the right choice depends heavily on your individual situation.

PCOS and fertility

PCOS is a common cause of difficulty conceiving, but it is also one of the more treatable ones. Because ovulation is irregular rather than absent in many cases, a number of people conceive with lifestyle changes alone, and others benefit from medical support to encourage ovulation. If you're trying to conceive or planning to, raising it early with a doctor helps you understand your options before frustration sets in.

PCOS looks different for everyone, and the best plan is one built around your symptoms and goals. If you recognise yourself in this description, a verified doctor on iHealix can review your symptoms, arrange the right tests, and help you build a management plan that fits your life rather than a generic checklist.